Keith Hackett's verdict

1) It may be a ruse, but it's a half-baked one. Fighting on the field of play is the most obvious form of violent conduct, whether it involves opponents or colleagues. So disallow the goal, show both players a red card, and restart with an indirect free-kick from where the fighting took place. Thanks to Johannah Carroll. 2) Deal with this in stages. First, using your communication system, ask the fourth official to summon the stadium security officer to the technical area. At the next stoppage speak to the officer and ask for extra stewarding on that line and for CCTV to be focused on the area. If the problem continues, you have several options, including simply swapping the two assistants over or even abandoning the match. Either way, report everything that happened to the authorities. Roderick Stewart wins the shirt. 3) You need to be certain here that the lowering of the bar definitely prevented a goal. If you are sure, send the keeper off for denying a goal, and restart with an indirect free kick on the goal area line parallel to the goalline. If not, show the keeper a yellow and restart in the same way. Thanks to James Hamilton.